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About the CTH-8550
The Dartzeel CTH-8550 is a premium dual mono integrated amplifier designed to deliver exceptional audio quality. It features a robust power output of 200 watts RMS (230 watts peak) at 8 ohms, increasing to 330 watts RMS (360 watts peak) at 4 ohms, and further to 330 watts RMS (400 watts peak) at 2 ohms, though the latter is software limited. The amplifier includes a variety of inputs such as four RCA, one XLR, two Zeel BNC, and optional phono inputs for MM and MC cartridges. It also offers two RCA outputs, one for recording, and a darT BNC output. The CTH-8550 is equipped with a display screen and a CPU, allowing users to customize settings and schedule automatic power on/off times. It uses large toroidal transformers for the output stage and smaller ones for low-level signals, ensuring efficient power management. The amplifier's frequency response spans from 3Hz to 300 kHz, with a total harmonic distortion (THD) of less than 1% from 7 Hz to 77 kHz. The signal-to-noise ratio (S/N) is 115 dB (A), and it has a line gain of 12 dB nominal, up to 22 dB. The power stage gain is 26 dB at 8 ohms. The dimensions are 170 × 440 × 335 mm (H×W×D), with a depth of 415 mm including handles, and it weighs 28 kg.
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